noun🔗ShareÉpithalamusThe dorsal posterior segment of the diencephalon; it includes the habenula, the stria medullaris and the pineal body."The doctor explained that damage to the epithalamus could affect sleep patterns due to its connection to the pineal gland. "Le médecin a expliqué que des dommages à l'épithalamus pourraient affecter les habitudes de sommeil en raison de sa connexion à la glande pinéale.anatomyorganpartbodyphysiologyChat with AIVocabulary GamePractice Reading